diff options
Diffstat (limited to 'var')
| -rw-r--r-- | var/spack/repos/builtin/packages/python/package.py | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/var/spack/repos/builtin/packages/python/package.py b/var/spack/repos/builtin/packages/python/package.py index f3380cf75d..7fe2cab897 100644 --- a/var/spack/repos/builtin/packages/python/package.py +++ b/var/spack/repos/builtin/packages/python/package.py @@ -202,8 +202,27 @@ class Python(Package): def setup_dependent_environment(self, spack_env, run_env, extension_spec): """Set PYTHONPATH to include site-packages dir for the extension and any other python extensions it depends on.""" - pythonhome = self.prefix - spack_env.set('PYTHONHOME', pythonhome) + # The python executable for version 3 may be python3 or python + # See https://github.com/LLNL/spack/pull/2173#issuecomment-257170199 + pythonex = 'python{0}'.format('3' if self.spec.satisfies('@3') else '') + if os.path.isdir(self.prefix.bin): + base = self.prefix.bin + else: + base = self.prefix + if not os.path.isfile(os.path.join(base, pythonex)): + if self.spec.satisfies('@3'): + python = Executable(os.path.join(base, 'python')) + version = python('-c', 'import sys; print(sys.version)', + output=str) + if version.startswith('3'): + pythonex = 'python' + else: + raise RuntimeError('Cannot locate python executable') + else: + raise RuntimeError('Cannot locate python executable') + python = Executable(os.path.join(base, pythonex)) + prefix = python('-c', 'import sys; print(sys.prefix)', output=str) + spack_env.set('PYTHONHOME', prefix.strip('\n')) python_paths = [] for d in extension_spec.traverse(deptype=nolink, deptype_query='run'): |